/*
 * Licensed to the University Corporation for Advanced Internet Development,
 * Inc. (UCAID) under one or more contributor license agreements.  See the
 * NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The UCAID licenses this file to You under the Apache
 * License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.opensaml.saml.saml2.common;

import javax.xml.namespace.QName;

import org.opensaml.saml.common.SAMLObject;
import org.opensaml.saml.common.xml.SAMLConstants;

/**
 * A functional interface for SAMLElements that provide cache duration information.
 *
 */
public interface CacheableSAMLObject extends SAMLObject{

    /** "cacheDuration" attribute name. */
    public static final String CACHE_DURATION_ATTRIB_NAME = "cacheDuration";

    /** "cacheDuration" attribute's QName. */
    public static final QName CACHE_DURATION_ATTRIB_QNAME =
            new QName(SAMLConstants.SAML20MD_NS, CACHE_DURATION_ATTRIB_NAME, SAMLConstants.SAML20MD_PREFIX);

    /**
     * Gets the maximum time, in milliseconds, that this descriptor should be cached.
     *  
     * @return the maximum time that this descriptor should be cached
     */
    public Long getCacheDuration();

    /**
     * Sets the maximum time, in milliseconds, that this descriptor should be cached.
     * 
     * @param duration the maximum time that this descriptor should be cached
     */
    public void setCacheDuration(Long duration);

}